Figure 1From: Risk stratification by pre-operative cardiopulmonary exercise testing improves outcomes following elective abdominal aortic aneurysm surgery: a cohort studyA consort-type diagram representing the composition of the CPET-era cohort by management type and their subgroups by CPET stratification. $ and $$ indicate the 42 individuals who were not referred for CPET within this cohort.Back to article page